Hydrothermal activation of acid zeolites with aluminum phosphate

Details Hydrothermal activation of acid zeolites with aluminum phosphate Hydrothermal activation of acid zeolites with aluminum phosphate

1985-01-22

1986-08-12

Dees, Carl F.

Catalyst, solid sorbent, or support therefor: product or process

Zeolite or clay, including gallium analogs

And additional al or si containing component

502 71, 502 77, 502214, B01J 2906, B01J 2714

Patent

active

046056378

ABSTRACT:
There is provided a process for activating a zeolite with an aluminum phosphate material. The process comprises hydrothermally treating an intimate mixture of the zeolite and an effective amount of aluminum phosphate activating agent in contact with an aqueous liquid phase under reaction conditions to increase the cracking activity of the mixture. Examples of zeolites which may be activated include low acidity zeolites such as boron-containing ZSM-5, boron-containing zeolite Beta and high silica ZSM-5. The aluminum phosphate may be in the form of a microporous, crystalline framework material such as AlPO.sub.4 -5.

REFERENCES:
patent: 4420418 (1983-12-01), Chu
patent: 4468475 (1984-08-01), Kuehl

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